Abstract
A catalogue of aftershocks of the 2007 Nevelsk earthquake (M w = 6.2) was prepared on the basis of the data from the local network of digital seismic stations established on the southern part of Sakhalin Island. The parameters of the aftershock hypocenters were determined using the method of the seismic wave travel time inversion. The errors in the determination of the coordinates of the seismic events were analyzed. The particularities of the spatiotemporal distribution of the aftershocks in the source zone of the earthquake were established. It was shown that a strong aftershock was a subsource earthquake with its own source zone. This explains the disagreement between the energetic characteristics and the size of the aftershock zone of the Nevelsk earthquake.
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Original Russian Text © Ch.U. Kim, V.I. Mikhailov, R.S. Sen, Ye.P. Semenova, 2009, published in Tikhookeanskaya Geologiya, 2009, Vol. 28, No. 5, pp. 4–15.
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Kim, C.U., Mikhailov, V.I., Sen, R.S. et al. The August 2, 2007, Nevelsk earthquake: Instrumental data analysis. Russ. J. of Pac. Geol. 3, 412–423 (2009). https://doi.org/10.1134/S1819714009050029
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DOI: https://doi.org/10.1134/S1819714009050029